Optical purity
[化] 光学纯度
🧩 词语组成解析
🗣️ 情景例句
People we know?
我们认识的人。
I would like to call a plumber to come this afternoon.
我要叫一个水管工人今天下午来。
After I had left a small village in the south of France, I drove on to the next town.
在离开法国南部的一个小村庄后，我继续驶往下一个城镇。